Garcia J, Mendlovic D, Zalevsky Z, Lohmann A
Appl Opt. 1996 Jul 10;35(20):3945-52. doi: 10.1364/AO.35.003945.
A fractional correlator that is based on the anamorphic fractional Fourier transform is defined. This new, to our knowledge, correlator has been extended to work with multiple filters. The novelty introduced by the suggested system is the possibility of the simultaneous detection of several objects in different parts of the input scene (when anamorphic optics are dealt with), thereby permitting an independent degree of space invariance in two perpendicular directions. Computer experiments as well as experimental optical implementation are presented.
定义了一种基于变形分数傅里叶变换的分数相关器。据我们所知，这种新型相关器已被扩展到可与多个滤波器配合使用。所提出的系统引入的新颖之处在于能够同时检测输入场景不同部分中的多个物体（当涉及变形光学时），从而在两个垂直方向上允许独立的空间不变度。文中展示了计算机实验以及实验性光学实现。
